Is Fear of Sleep Paralysis legal in Standard, Modern, and Commander?

Fear of Sleep Paralysis is legal in: Legacy, Vintage, Commander.

Fear of Sleep Paralysis

Q: What type of card is Fear of Sleep Paralysis?

Fear of Sleep Paralysis is an Enchantment Creature — Nightmare. Its oracle text reads: "Flying Eerie — Whenever this creature or another enchantment you control enters and whenever you fully unlock a Room, tap up to one target creature and put a stun counter on it. Stun counters can't be removed from permanents your opponents control. (They won't untap if they have stun counters.)"

Enchantment Creature — Nightmare

Flying

Eerie — Whenever this creature or another enchantment you control enters and whenever you fully unlock a Room, tap up to one target creature and put a stun counter on it.

Stun counters can't be removed from permanents your opponents control. (They won't untap if they have stun counters.)

Set Duskmourn: House of Horror Commander

Rarity Rare

Mana Value 6

Artist Joshua Raphael

Collector # 12

Scryfall Gatherer